[电子]?障碍指示器
... 找零钱机：change machine 障碍指示器：obstacle indicator 胀闸：expanding brake ...
?故障探测器
... obstacle detection 故障探测 obstacle indicator 故障探测器 obstruction 妨碍,阻碍,障碍物,干扰 ...
?故障指示器
...故障指示器 failure indicator; falut detector; fault detector; fault indication device; fault indicator; obstacle indicator; trouble indicator 交粮示继电器 alternating current indication relay .
障碍指示器
Gibson cannot distinguish between the crowd beneath the indicator, which is an obstacle, and the crowd around the ticket office.
BBC: News | UK | Commuting: A lottery for the visually impaired
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。